6 Lubrication
49
Meritor Maintenance Manual MM-15103 (Issued 07-17)
6 Lubrication
Lubrication
NOTE: For complete information on lubricating drive axles and
carriers as well as lubricant capacities, refer to Maintenance Manual
1, Preventive Maintenance and Lubrication. To obtain this
publication, refer to the Service Notes page on the front inside cover
of this manual.
Refer to Table F and Table G for information on lubricants and
schedules. To obtain lubricants, refer to the Service Notes page on
the front inside cover of this manual.
Table F: Lubricant Cross Reference, Viscosity and Temperature Chart
Table G: Oil Change Intervals and Specifications for 13X Series Rear Drive Axles
Meritor Lubricant
Specification Description Cross Reference
Minimum Outside
Temperature
Maximum Outside
Temperature
O-76-A Hypoid Gear Oil GL-5, S.A.E. 85W/140 10°F (–12.2°C) - - -**
O-76-B Hypoid Gear Oil GL-5, S.A.E. 80W/140 –15°F (–26.1°C) - - -**
O-76-D Hypoid Gear Oil GL-5, S.A.E. 80W/90 –15°F (–26.1°C) - - -**
O-76-E Hypoid Gear Oil GL-5, S.A.E. 75W/90 –40°F (–40°C) - - -**
O-76-J Hypoid Gear Oil GL-5, S.A.E. 75W –40°F (–40°C) 35°F (1.6°C)
O-76-L Hypoid Gear Oil GL-5, S.A.E. 75W/140 –40°F (–40°C) - - -**
**There is no upper limit on these outside temperatures, but the axle sump temperature must never exceed 250°F (121°C).
Interval
Check Oil Level Every 10,000 miles (16 000 km), once a month or the fleet maintenance interval (whichever
comes first)
Petroleum based oil change Every 50,000 miles (80 000 km) or annually, whichever comes first
Synthetic oil change* Every 100,000 miles (160 000 km) or annually, whichever comes first
*This interval applies to approved semi-synthetic and full-synthetic oils only. For a list of approved extended-drain axle oils, refer to TP-9539, Approved Rear
Drive Axle Lubricants. To obtain this publication, refer to the Service Notes page on the front inside cover of this manual.